betta fish

definitely upgrade your betta's home to a 10 gallon. he will be much happier and you will have the room to add snails or other fish that are compatible with male bettas.

just a note on keeping snails with bettas: some male bettas will nip at the snail's tentacles, causing damage. i've kept three different males with three different snails (look ma! i rhyming! lol) and never had a problem, but it is due to the personality of the fish.

where in canada are you? its nice to see fellow canucks on here!
i am in montreal,where are you in canada??
 
i tried to put my apple snail wich is over an inch in diameter and the betta bit most of his tentacles off i had to put him in a nother tank, it all depends on the personality of your betta, mines is quite agressive, but he is awsome to watch eat bcause of it :)
good luck
 
You should be careful and watch after putting other residents in with your Betta as their natures differ. I had a Betta you could put in with anything and he would not be aggressive and I had one that made it his mission to kill any other living creature in his tank so monitor yours for awhile after adding anything living.
 
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